File management device
AssigneeSanyo Electric Co., Ltd.
InventorKazuyoshi Harada
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Abstract
The present invention provides a file management device wherein a plurality of recording data files and a file management table including a file name and block information of each of the recording files are recorded on a hard disk device 4. A system controller 8 gradually reduces the size of a recording data file specified to be deleted by clearing the block information of the file management table by every predetermined number of blocks for reduction, and deleting the recording data file from the hard disk device 4 by finally clearing the file name of the file management table.
Claims5
A file management device for performing file management of a disk device being adapted to record each of a plurality of recording data files as divided into blocks, the file management device comprising:
- means for specifying a file to be deleted from among the plurality of recording data files recorded on the disk device,
- file management table means for storing a file name of each of the plurality of recording data files recorded on the disk device and block information for specifying a plurality of blocks wherein data of the file is recorded,
- file delete means for gradually reducing the size of the recording data file specified to be deleted by clearing the block information of the file management table means by every predetermined number of blocks for reduction, and deleting the recording data file from the disk device by finally clearing the file name of the file management table means.
Dependencies are inferred from the claim text.